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Modeling Rock Fracture in Closely Spaced Perimeter Blasting
AbstractThe article presents the design model and results for the main crack development in closely spaced blasting in brittle rocks. The 3D modeling...
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Multi-Scale Research on Blasting Damage of Rock Based on Fractal Theory
This study proposes a fractal damage calculation method that understands the blasting damage laws at the macroscopic, mesoscopic, and microscopic...
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Optimizing Blasting Schemes: A Comprehensive Approach through Macro–Micro Simulation and Field Experiment
The contour sha** effect of hard granite tunnels is relatively unsatisfactory, and the research on the influence of various blasting parameters on...
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Blasting vibration response and safety control of mountain tunnel
Tunnel blasting vibration will have adverse effects on adjacent existing villages. To ensure the normal life and safety of residents in these...
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The Influence of Underwater Environment on the Effect of Underwater Drilling and Blasting for Bridge Pier Foundation
To investigate influence of underwater environment on the effect of underwater drilling and blasting, the action mechanism of underwater drilling and...
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Research on Energy Characteristics of Shaft Blasting Vibration Based on Wavelet Packet
Analyzing the time–frequency and energy variation characteristics of blasting vibration signals is helpful to understand the propagation law of...
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Damage and Fragmentation of Rock Under Multi-Long-Hole Blasting with Large Empty Holes
The technique of multi-long-hole blasting with large empty holes has been used in practice to break rock mass. However, the damage mechanism of rock...
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Modelling of Bottom Air-Deck Blasting in a Single Hole, Using the SPH–FEM Method
Experimental and analytical researches have shown that the use of the bottom air-deck blasting improves fragmentation and reduces toe problems. In...
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Experimental Study on an Innovative Method for Pre-split Blasting to Protect Withdrawal Roadways
The deformation of surrounding rock in the withdrawal roadways of fully mechanized working faces is a critical factor affecting the safe and...
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Prediction of the Median Fragmentation of Bench Blasting in Layered Rock Mass Based on Discrete Fracture Network
It is very important to predict the blasting fragmentation size of fractured rock mass. Based on the geological conditions of practical engineering...
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Review of machine learning application in mine blasting
Mine blasting has adopted machine learning (ML) into its practices with the aims of performance optimization, better decision-making process, and...
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Punching Mechanism of Air-Deck Stemming for Drilling Blasting and Its Influence on Rock Fragmentation
Nowadays, the blasting volume and the corresponding explosive demand have been increasing more and more with the continuous growth of open-pit mining...
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Improvement of fluid penetration in soil by plasma blasting
Plasma blasting by high-voltage arc discharge was performed in laboratory-scale soil samples to investigate fluid penetration. A plasma blasting...
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Parameter optimization of coal face blasting for coal and gas outburst control
Coal and gas outbursts represent a major risk in deep gassy coal mines, and de-stress blasting is a commonly applied technology to prevent coal face...
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Study on the technology of permeability enhancement of deep hole pre-splitting blasting in a low-permeability coal seam
In order to increase the permeability of low permeability and high gas coal seam and improve the efficiency and utilization of gas extraction, the...
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Mechanical Analysis of Rock Tunnels Reinforced by Grouted Rockbolts Considering the Blasting Damage Effect
Tunnelling using drilling and blasting method inevitably disturbs the surrounding rock and induces a blasting damaged zone around the tunnel....
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An Optimized Destress Blasting Design for Hard Roof During Early Mining Stage: A Case Study
This paper presents an optimized destress blasting design for hard roof control during early mining stage of the mine. Experience of field operation...
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Insight and Effectiveness of Working-Face Deep-Hole Blasting for Prevention of Strong Seismicity Induced by Deep Coal Mining
The grand-scale suspended roofs overlying the goaf are commonly developed under thick-hard rock strata (THRS) during the mining process of the deep...
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Numerical Study on Evolution Mechanism of Cut Blasting and Cavity Formation Under Confining Pressure
Cut blasting is a key step in the drill and blast method. In underground engineering, confining pressure has a significant influence on the cut...
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Blasting Damage of Tunnel Rock Mass Based on Cumulative Effect
Excavation-damaged zones (EDZs) are caused by repeated blasting and can significantly influence the overall performance of underground excavation...
